Home / 30,205.79-41,682.84-16,777.91

Finding the Fourth Proportional to 30,205.79, 41,682.84 and 16,777.91

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Solution

The fourth proportional to 30,205.79, 41,682.84 and 16,777.91 is: 23,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.79 : 41,682.84 = 16,777.91 : x
  2. Step 2: Convert to fraction form
    30,205.79/41,682.84 = 16,777.91/x
  3. Step 3: Cross multiply
    30,205.79x = 41,682.84 × 16,777.91
  4. Step 4: Simplify right side
    30,205.79x = 699,350,729.65
  5. Step 5: Solve for x
    x = 699,350,729.65/30,205.79
  6. Step 6: Final answer
    x = 23,152.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.